Finding the Third Proportional to 45,258.75 and 83,851.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,258.75 : 83,851.88 = 83,851.88 : x
2. Step 2: Convert to fraction form
   45,258.75/83,851.88 = 83,851.88/x
3. Step 3: Cross multiply
   45,258.75x = 83,851.88 × 83,851.88
4. Step 4: Simplify right side
   45,258.75x = 7,031,136,941.02
5. Step 5: Solve for x
   x = 7,031,136,941.02/45,258.75
6. Step 6: Final answer
   x = 155,354.20